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Autonomous System

AS42156 ยท GNX B.V.

Overview

AS42156 is announced on the Internet: RIPE RIS route collectors currently see 11 IPv4 prefixes and 5 IPv6 prefixes originated by this network. Together, its IPv4 prefixes cover 3,072 addresses, with overlapping prefixes counted once. In the paths the collectors record, it has 62 upstream neighbours (transit providers or peers) and 20 downstream neighbours (customers or networks it carries). Its most visible upstreams are GulfBridgeInternational Gulf Bridge International Inc. (AS200612), Zain Omantel International FZ-LLC (AS8529), and Hurricane Electric LLC (AS6939). AS42156 was assigned by RIPE NCC, and its registration country is Netherlands.

Source: RIPEstat (RIPE NCC), RIS route collectors. Read on October 17, 2026 at 4:16 AM UTC. This page is refreshed at most every 12 hours.

Go further

The trace goes to 45.83.172.1, the first address of 45.83.172.0/22. An address picked inside a prefix may not answer (nothing listens there, or the network filters probes): the trace then shows the path up to the last network that replies.

Announced prefixes

IPv4 prefixes (11 prefixes)

PrefixAddresses
45.83.172.0/221,024
45.83.172.0/23512
45.83.174.0/24256
45.83.175.0/24256
45.143.60.0/24256
45.143.61.0/24256
45.143.62.0/23512
69.48.159.0/24256
185.161.188.0/24256
185.251.180.0/24256
193.107.247.0/24256

IPv6 prefixes (5 prefixes)

Prefix
2a0e:8480::/29
2a0e:e2c0::/29
2a0e:e2c1::/32
2a0e:e2c2::/32
2a0e:e2c4::/32

Neighbours

Upstreams (transit or peers) (62)

ASNetworkVisibility
AS200612GulfBridgeInternational Gulf Bridge International Inc.2,472
AS8529Zain Omantel International FZ-LLC1,321
AS6939Hurricane Electric LLC541
AS20562Broadband Hosting B.V.495
AS9002RETN Limited487
AS15802Emirates Integrated Telecommunications Company PJSC274
AS60068Datacamp Limited224
AS6762TELECOM ITALIA SPARKLE S.p.A.157
AS4637Telstra Global112
AS24785Broadband Hosting B.V.73
AS35280F5 Networks SARL46
AS2914NTT America, Inc.33
AS20485Joint Stock Company TransTeleCom22
AS25091IP-Max SA19
AS5405Inter.link GmbH12
AS37100SEACOM Limited12
AS29632Netassist International EOOD11
AS8298IPng Networks GmbH10
AS15943-9
AS33891Core-Backbone GmbH9
AS29075IELO-LIAZO SERVICES SAS8
AS37468Angola Cables8
AS50673Serverius Holding B.V.8
AS8218Zayo Infrastructure France SA7
AS34019Hivane Association7
AS6696-6
AS14840BR.Digital Telecom6
AS34549meerfarbig GmbH & Co. KG6
AS34927iFog GmbH6
AS209090Association Stolon6

The 30 most visible of 62.

Downstreams (customers) (20)

ASNetworkVisibility
AS198949Radware Radware Ltd664
AS41696Ram Mobile Data (Netherlands) B.V.509
AS60140Buzinessware FZCO483
AS42718STUPA Holding B.V.473
AS51198Servada Servada B.V.450
AS6412Gulfnet International KEMS LLC411
AS213931alaitisal Alaitisal Computers and Requisites Trading LLC307
AS40169USABROAD INC.273
AS205111ZOHO Corporation B.V272
AS215878m1cloudITC M1CLOUD INFORMATION TECHNOLOGY CONSULTANTS L.L.C269
AS133299-265
AS56683EXNESS LIMITED237
AS16789-197
AS214227-126
AS27399-43
AS59550Neutrality.One EOOD26
AS393559-21
AS211316-20
AS200596-13
AS133426-3

62 more neighbours appear on both sides of this network depending on the path, so they are counted in neither list.

Visibility is RIPEstat's count of how often the route collectors observed the link. It compares neighbours with each other; it is not a traffic volume.

How to read this page

An Autonomous System (AS) is a network run under one routing policy: an internet provider, a cloud, a content network, a university. Each one has a number, its ASN, assigned by a regional registry (ARIN, RIPE NCC, APNIC, LACNIC, AFRINIC), and uses BGP, the protocol networks use to tell each other where addresses are, to announce the blocks of addresses it delivers to.

A prefix such as 203.0.113.0/24 is a block of addresses: the number after the slash says how many bits are fixed, so a /24 holds 256 IPv4 addresses and a /16 holds 65,536. Networks often announce a large block and smaller pieces of it at the same time, which is why the address total counts each address once.

Neighbours come from the paths themselves. A network that appears just before this one in a path, on the collector's side, is an upstream: a transit provider or a peer. One that appears just after it is a downstream, usually a customer. Peering at an internet exchange also shows up as an upstream, so the upstream list is not a list of paid transit.

The data comes from RIPEstat, run by the RIPE NCC, which gathers the routing tables of hundreds of networks through its RIS route collectors. This page reads it when it is visited and keeps it for 12 hours at most; the BGP viewer reads it live.

Frequently asked questions

How do I find the ASN of an IP address?
Type the address in the BGP viewer: it shows the prefix that covers it, the AS that originates that prefix and the paths seen towards it. A traceroute also names the network of each hop, so you can see every AS a connection crosses.
Why does one company have several ASNs?
Large operators split their network by region, by activity or by history: a cloud may use one number for its backbone and another for a region, and every acquisition brings its own numbers. Each number has its own page, with its own prefixes and neighbours.
Why do prefix counts differ from one site to another?
Each source sees the routing table from different collectors, at a different time, and counts differently: some include prefixes withdrawn in recent weeks, some merge a block and its pieces. This page counts the prefixes RIPE RIS collectors see originated by the network at the end of the latest two-week window, and counts each IPv4 address once.
Is this the list of IP ranges of a cloud provider?
It is what its networks announce, which is what the Internet routes to them. Many providers also publish an official list of ranges per service and region; that list is the reference for firewall rules, because a range can be announced before it is used, or announced by another of their AS numbers.